Utility for various operations on an Invintory account.
Two .NET user secrets must be set (dotnet user-secrets set):
RefreshToken: OAuth refresh token.GoogleApiKey: Firebase API key for token exchange.
Both secrets can be seen in use via developer tools on their website.
Build the application (dotnet build) and then pass a parameter for the operation to perform.
ucp: Update collection prices. Takes bottles in your collection that don't have a purchase price set and uses the known average price.